* [cris-decc0 3/14] config/cris/cris.h (REVERSIBLE_CC_MODE): Define to true.
@ 2020-02-12 6:53 Hans-Peter Nilsson
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From: Hans-Peter Nilsson @ 2020-02-12 6:53 UTC (permalink / raw)
To: gcc-patches
* config/cris/cris.h (REVERSIBLE_CC_MODE): Define to true.
For some reason (like a buglet in the user in jump.c), defining this makes
a beneficial difference in ledf2, thus this is separated to its own commit.
Also, add comment on (not defining) REVERSE_CONDITION.
---
gcc/config/cris/cris.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/config/cris/cris.h b/gcc/config/cris/cris.h
index e721d12d0..bc07dd541 100644
--- a/gcc/config/cris/cris.h
+++ b/gcc/config/cris/cris.h
@@ -701,6 +701,9 @@ struct cum_args {int regs;};
/* FIXME: Maybe define TARGET_CANONICALIZE_COMPARISON later, when
playing with optimizations. Definitely define SELECT_CC_MODE. */
+#define REVERSIBLE_CC_MODE(MODE) true
+
+/* No known need to define REVERSE_CONDITION, the default is good. */
/* Node: Costs */
--
2.11.0
brgds, H-P
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2020-02-12 6:53 [cris-decc0 3/14] config/cris/cris.h (REVERSIBLE_CC_MODE): Define to true Hans-Peter Nilsson
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